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.x is normally distributed with a mean of 27 and a standard deviation of 9. Take...

.x is normally distributed with a mean of 27 and a standard deviation of 9. Take a random sample of n = 9 observations and imagine that you have calculated a sample mean Xbar. What is the P(Xbar < 33) )?

What is the population mean , sd value and Z score ?

.x is normally distributed with a mean of 27 and a standard deviation of Take a random sample of n = 9 observations and imagine that you have calculated a sample mean, XbarWhat is the P(Xbar > 24) ?

What is the population mean , sd value and Z score ?
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